- Note: Prior hormonal therapy (e.g. leuprolide, aromatase inhibitors, tamoxifen) and immunotherapy will be allowed and not included as a prior chemotherapy; if the chemotherapy regimen is altered during the course due to issues with tolerability or safety, the regimen will be counted as one; using the same regimen at recurrence is counted as one regimen; the addition of bevacizumab to a prior regimen is considered one regimen